Battery case for a guitar



FIG. 1 is a perspective view of the battery case for a guitar of the present invention, showing the new, original, and ornamental design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof; the battery case for a guitar shown as used.

Any broken lines shown in the drawings are for illustrative environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a battery case for a guitar, as shown and described. 